public UIComponent buildWidget(
String elementName, Map<String, String> attributes, UIMetawidget metawidget) {
// Not for RichFaces?
if (TRUE.equals(attributes.get(HIDDEN))) {
return null;
}
// Note: we tried implementing lookups using org.richfaces.ComboBox, but that
// allows manual input and if you set enableManualInput=false it behaves a
// bit screwy for our liking (ie. if you hit backspace the browser goes back)
if (attributes.containsKey(FACES_LOOKUP) || attributes.containsKey(LOOKUP)) {
return null;
}
// Lookup the class
Class<?> clazz = WidgetBuilderUtils.getActualClassOrType(attributes, null);
if (clazz == null) {
return null;
}
// Primitives
if (clazz.isPrimitive()) {
// Not for RichFaces
if (boolean.class.equals(clazz) || char.class.equals(clazz)) {
return null;
}
// Ranged
UIComponent ranged = createRanged(attributes);
if (ranged != null) {
return ranged;
}
// Not-ranged
HtmlInputNumberSpinner spinner = VERSION_SPECIFIC_WIDGET_BUILDER.createInputNumberSpinner();
// May be ranged in one dimension only. In which case, explictly range the *other*
// dimension because RichFaces defaults to 0-100
String minimumValue = attributes.get(MINIMUM_VALUE);
if (minimumValue != null && !"".equals(minimumValue)) {
spinner.setMinValue(minimumValue);
} else if (byte.class.equals(clazz)) {
spinner.setMinValue(String.valueOf(Byte.MIN_VALUE));
} else if (short.class.equals(clazz)) {
spinner.setMinValue(String.valueOf(Short.MIN_VALUE));
} else if (int.class.equals(clazz)) {
spinner.setMinValue(String.valueOf(Integer.MIN_VALUE));
} else if (long.class.equals(clazz)) {
spinner.setMinValue(String.valueOf(Long.MIN_VALUE));
} else if (float.class.equals(clazz)) {
spinner.setMinValue(String.valueOf(-Float.MAX_VALUE));
} else if (double.class.equals(clazz)) {
spinner.setMinValue(String.valueOf(-Double.MAX_VALUE));
}
String maximumValue = attributes.get(MAXIMUM_VALUE);
if (maximumValue != null && !"".equals(maximumValue)) {
spinner.setMaxValue(maximumValue);
} else if (byte.class.equals(clazz)) {
spinner.setMaxValue(String.valueOf(Byte.MAX_VALUE));
} else if (short.class.equals(clazz)) {
spinner.setMaxValue(String.valueOf(Short.MAX_VALUE));
} else if (int.class.equals(clazz)) {
spinner.setMaxValue(String.valueOf(Integer.MAX_VALUE));
} else if (long.class.equals(clazz)) {
spinner.setMaxValue(String.valueOf(Long.MAX_VALUE));
} else if (float.class.equals(clazz)) {
spinner.setMaxValue(String.valueOf(Float.MAX_VALUE));
} else if (double.class.equals(clazz)) {
spinner.setMaxValue(String.valueOf(Double.MAX_VALUE));
}
// Wraps around?
spinner.setCycled(false);
// Stepped
if (float.class.equals(clazz) || double.class.equals(clazz)) {
spinner.setStep("0.1");
}
return spinner;
}
// Dates
//
// Note: when http://jira.jboss.org/jira/browse/RF-2023 gets implemented, that
// would allow external, app-level configuration of this Calendar
if (Date.class.isAssignableFrom(clazz)) {
UICalendar calendar =
FacesUtils.createComponent(HtmlCalendar.COMPONENT_TYPE, "org.richfaces.CalendarRenderer");
if (attributes.containsKey(DATETIME_PATTERN)) {
calendar.setDatePattern(attributes.get(DATETIME_PATTERN));
}
if (attributes.containsKey(LOCALE)) {
calendar.setLocale(new Locale(attributes.get(LOCALE)));
}
if (attributes.containsKey(TIME_ZONE)) {
calendar.setTimeZone(TimeZone.getTimeZone(attributes.get(TIME_ZONE)));
}
return calendar;
}
// Object primitives
if (Number.class.isAssignableFrom(clazz)) {
// Ranged
UIComponent ranged = createRanged(attributes);
if (ranged != null) {
return ranged;
}
// Not-ranged
//
// Until https://jira.jboss.org/jira/browse/RF-4450 is fixed, do not use
// UIInputNumberSpinner for nullable numbers
}
// RichFaces version-specific
return VERSION_SPECIFIC_WIDGET_BUILDER.buildWidget(elementName, attributes, metawidget);
}
public Converter getConverter(ValueHolder valueHolder, Map<String, String> attributes) {
// Use existing Converter (if any)
Converter converter = valueHolder.getConverter();
if (converter != null) {
return converter;
}
// Create from id
FacesContext context = FacesContext.getCurrentInstance();
String converterId = attributes.get(FACES_CONVERTER);
if (converterId != null) {
converter = context.getApplication().createConverter(converterId);
} else if (valueHolder instanceof UISelectOne || valueHolder instanceof UISelectMany) {
// Create from parameterized type (eg. a Date converter for List<Date>)
String parameterizedType = WidgetBuilderUtils.getComponentType(attributes);
if (parameterizedType != null) {
Class<?> parameterizedClass = ClassUtils.niceForName(parameterizedType);
// The parameterized type might be null, or might not be concrete
// enough to be instantiatable (eg. List<? extends Foo>)
if (parameterizedClass != null) {
converter = context.getApplication().createConverter(parameterizedClass);
}
}
} else {
// Create implicit converters
//
// JSF does not appear to implicitly hook up DateTimeConverters without either an
// explicit f:convertDateTime tag or a registered java.util.Date converter. Adding one
// fixes both POSTback and display of read-only dates (otherwise JSF uses Date.toString)
//
// JSF *does* appear to implicitly hook up NumberConverters.
String type = attributes.get(TYPE);
if (type != null) {
Class<?> clazz = ClassUtils.niceForName(type);
if (clazz != null) {
if (clazz.isAssignableFrom(Date.class)) {
converter = getDateTimeConverter(converter);
}
}
}
}
// Support for DateTimeConverter
if (attributes.containsKey(DATE_STYLE)) {
converter = getDateTimeConverter(converter);
((DateTimeConverter) converter).setDateStyle(attributes.get(DATE_STYLE));
}
if (attributes.containsKey(DATETIME_PATTERN)) {
converter = getDateTimeConverter(converter);
((DateTimeConverter) converter).setPattern(attributes.get(DATETIME_PATTERN));
}
if (attributes.containsKey(TIME_STYLE)) {
converter = getDateTimeConverter(converter);
((DateTimeConverter) converter).setTimeStyle(attributes.get(TIME_STYLE));
}
if (attributes.containsKey(TIME_ZONE)) {
converter = getDateTimeConverter(converter);
((DateTimeConverter) converter).setTimeZone(TimeZone.getTimeZone(attributes.get(TIME_ZONE)));
}
if (attributes.containsKey(DATETIME_TYPE)) {
converter = getDateTimeConverter(converter);
((DateTimeConverter) converter).setType(attributes.get(DATETIME_TYPE));
}
// Support for NumberConverter
if (attributes.containsKey(CURRENCY_CODE)) {
converter = getNumberConverter(converter);
((NumberConverter) converter).setCurrencyCode(attributes.get(CURRENCY_CODE));
}
if (attributes.containsKey(CURRENCY_SYMBOL)) {
converter = getNumberConverter(converter);
((NumberConverter) converter).setCurrencySymbol(attributes.get(CURRENCY_SYMBOL));
}
if (attributes.containsKey(NUMBER_USES_GROUPING_SEPARATORS)) {
converter = getNumberConverter(converter);
((NumberConverter) converter)
.setGroupingUsed(Boolean.parseBoolean(attributes.get(NUMBER_USES_GROUPING_SEPARATORS)));
}
if (attributes.containsKey(MINIMUM_INTEGER_DIGITS)) {
converter = getNumberConverter(converter);
((NumberConverter) converter)
.setMinIntegerDigits(Integer.parseInt(attributes.get(MINIMUM_INTEGER_DIGITS)));
}
if (attributes.containsKey(MAXIMUM_INTEGER_DIGITS)) {
converter = getNumberConverter(converter);
((NumberConverter) converter)
.setMaxIntegerDigits(Integer.parseInt(attributes.get(MAXIMUM_INTEGER_DIGITS)));
}
if (attributes.containsKey(MINIMUM_FRACTIONAL_DIGITS)) {
converter = getNumberConverter(converter);
((NumberConverter) converter)
.setMinFractionDigits(Integer.parseInt(attributes.get(MINIMUM_FRACTIONAL_DIGITS)));
}
if (attributes.containsKey(MAXIMUM_FRACTIONAL_DIGITS)) {
converter = getNumberConverter(converter);
((NumberConverter) converter)
.setMaxFractionDigits(Integer.parseInt(attributes.get(MAXIMUM_FRACTIONAL_DIGITS)));
}
if (attributes.containsKey(NUMBER_PATTERN)) {
converter = getNumberConverter(converter);
((NumberConverter) converter).setPattern(attributes.get(NUMBER_PATTERN));
}
if (attributes.containsKey(NUMBER_TYPE)) {
converter = getNumberConverter(converter);
((NumberConverter) converter).setType(attributes.get(NUMBER_TYPE));
}
// Locale (applies to both DateTimeConverter and NumberConverter)
if (attributes.containsKey(LOCALE)) {
if (converter instanceof NumberConverter) {
((NumberConverter) converter).setLocale(new Locale(attributes.get(LOCALE)));
} else {
converter = getDateTimeConverter(converter);
((DateTimeConverter) converter).setLocale(new Locale(attributes.get(LOCALE)));
}
}
// Return it
return converter;
}